11.   The company is locked in a battle for advertisers with rival network TV Azteca.

12.   The company is locked in a dispute with two foreign investors, who say Unicom breached contracts with them at the behest of the Chinese government.

13.   The company was locked into paying high prices because it had gambled on its share price.

14.   The two companies are locked in a public spat with all the trappings of a political campaign, including attack ads, public opinion polls and bumper stickers.

15.   The two companies are locked in a bitter fight to win new customers.

16.   The two companies have been locked in a bitter dispute over the transmission rights to the station.

17.   The two companies are locked in a fierce battle for control of both the Dutch and emerging markets.

18.   The two companies are locked in a bitter legal battle in the United States.

19.   The two companies are locked in a race to gain regulatory approval for their nearly identical drugs to treat the disease.

20.   The two pharmaceutical companies are locked in a patent infringement dispute.